catch exception when method cant be make accessible (#17984)

hazelcast · Dec 23, 2020 · 20167a2 · 20167a2
1 parent 7a02d13
commit 20167a2
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/hazelcast/src/main/java/com/hazelcast/util/OperatingSystemMXBeanSupport.java b/hazelcast/src/main/java/com/hazelcast/util/OperatingSystemMXBeanSupport.java
@@ -68,8 +68,12 @@ public static long readLongAttribute(String attributeName, long defaultValue) {
             OperatingSystemMXBean systemMXBean = OPERATING_SYSTEM_MX_BEAN;
             Method method = systemMXBean.getClass().getMethod(methodName);
 
-            // the method is public in Java 9
-            method.setAccessible(true);
+            try {
+                // the method is public in Java 9
+                method.setAccessible(true);
+            } catch (Exception e) {
+                return defaultValue;
+            }
 
             Object value = method.invoke(systemMXBean);
             if (value == null) {